Overview

Distribution

endemic to a single state or province

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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Type of Residency: Year-round

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Global Range: (<100-250 square km (less than about 40-100 square miles)) ENDEMIC TO KAUAI. SNAILS COLLECTED IN MOLOAA.

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Ecology

Habitat

Habitat Type: Terrestrial

Comments: GOUND DWELLING SNAIL.

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Habitat and Ecology

Systems
  • Terrestrial
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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 1 - 5

Comments: ONLY ONE HISTORIC POST-1945 OCCURRENCE (1952). Likely extinct (Hawaii Biological Survey web site http:/hbs.bishopmuseum.org/endangered/ext-snails.html, updated 9 February 1997).

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Global Abundance

1 - 1000 individuals

Comments: TOTAL POPULATION SIZE UNKNOW.

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NH - Possibly Extirpated

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NatureServe Conservation Status

Rounded Global Status Rank: GH - Possibly Extinct

Reasons: GHSH. ONLY ONE HISTORIC POST-1945 OCCURRENCE (1952). Likely extinct (Hawaii Biological Survey web site http:/hbs.bishopmuseum.org/endangered/ext-snails.html, updated 9 February 1997).

Other Considerations: MALACOLOGISTS BELIEVE THAT VIRTUALLY ALL NATIVE TERRESTRIAL SNAILS OF HAWAII ARE RARE AND IN DANGER OF EXTINCTION.

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IUCN Red List Assessment


Red List Category
EX
Extinct

Red List Criteria

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
Mollusc Specialist Group

Reviewer/s

Contributor/s

History
  • 1994
    Extinct
    (Groombridge 1994)
  • 1990
    Extinct
    (IUCN 1990)
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Threats

Degree of Threat: A : Very threatened throughout its range communities directly exploited or their composition and structure irreversibly threatened by man-made forces, including exotic species

Comments: THREATENED BY INTRODUCED PREDATORS (RATS, EUGLANDINA, OXYCHILUS), HABITAT DESTRUCTION AND OVERCOLLECTING.

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Management

Global Protection: None. No occurrences appropriately protected and managed

Comments: IF EXTANT, NOT UNDER ACTIVE MANAGEMENT.

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Wikipedia

Carelia dolei

Carelia dolei was a species of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea.

This species was endemic to the Hawaiian Islands.

References

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